P452 Hypermethylation status in relation to chronic inflammation of inflammatory bowel disease - Ortega, T. Lobaton; Azuara, D.; Rodriguez-Moranta, F.; de Oca, J.; Guardiola, J.; San Juan, X.; Montfort, D.; Boadas, J.; Galter, S.; Piqueras, M.; Moreno, V.; Capella, G. (Journal of Crohn's & Colitis, 2012)